diff options
Diffstat (limited to 'drivers/misc/cxl/fault.c')
| -rw-r--r-- | drivers/misc/cxl/fault.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/misc/cxl/fault.c b/drivers/misc/cxl/fault.c index c99e896604ee..f8684bca2d79 100644 --- a/drivers/misc/cxl/fault.c +++ b/drivers/misc/cxl/fault.c @@ -133,7 +133,7 @@ static void cxl_handle_page_fault(struct cxl_context *ctx, { unsigned flt = 0; int result; - unsigned long access, flags; + unsigned long access, flags, inv_flags = 0; if ((result = copro_handle_mm_fault(mm, dar, dsisr, &flt))) { pr_devel("copro_handle_mm_fault failed: %#x\n", result); @@ -149,8 +149,12 @@ static void cxl_handle_page_fault(struct cxl_context *ctx, access |= _PAGE_RW; if ((!ctx->kernel) || ~(dar & (1ULL << 63))) access |= _PAGE_USER; + + if (dsisr & DSISR_NOHPTE) + inv_flags |= HPTE_NOHPTE_UPDATE; + local_irq_save(flags); - hash_page_mm(mm, dar, access, 0x300); + hash_page_mm(mm, dar, access, 0x300, inv_flags); local_irq_restore(flags); pr_devel("Page fault successfully handled for pe: %i!\n", ctx->pe); |